Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-06-23 | SCHEDULE 13D/A | Fairmount Funds Management LLC | — | 8,835,440 | view → | |
| 2023-12-11 | SC | Fairmount Funds Management LLC | — | — | view → | |
| 2022-02-10 | SC | BAKER BROS. ADVISORS LP | — | — | view → | |
| 2021-03-19 | SC | BAKER BROS. ADVISORS LP | — | — | view → |
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-02 | King-Jones Heidy | officer | Option exercise | 400 | $14.50 | $6K |
| 2026-09-02 | King-Jones Heidy | officer | Sale | 400 | $90.00 | $36K |
| 2026-09-02 | Burrows Scott L | officer | Sale | 18,232 | $89.35 | $1.63M |
| 2026-09-01 | King-Jones Heidy | officer | Option exercise | 27,999 | $14.50 | $406K |
| 2026-09-01 | King-Jones Heidy | officer | Sale | 4,845 | $86.40 | $419K |
| 2026-09-01 | King-Jones Heidy | officer | Sale | 16,548 | $87.20 | $1.44M |
| 2026-09-01 | King-Jones Heidy | officer | Sale | 6,206 | $88.17 | $547K |
| 2026-09-01 | King-Jones Heidy | officer | Sale | 400 | $89.38 | $36K |
| 2026-09-01 | Burrows Scott L | officer | Option exercise | 7,500 | $14.50 | $109K |
| 2026-09-01 | Burrows Scott L | officer | Sale | 900 | $86.25 | $78K |
| 2026-09-01 | Burrows Scott L | officer | Sale | 4,384 | $87.11 | $382K |
| 2026-09-01 | Burrows Scott L | officer | Sale | 2,016 | $88.03 | $177K |
| 2026-09-01 | Burrows Scott L | officer | Sale | 200 | $89.04 | $18K |
| 2026-09-01 | Turtle Cameron | director, officer | Sale | 2,500 | $86.36 | $216K |
| 2026-09-01 | Turtle Cameron | director, officer | Sale | 8,400 | $87.15 | $732K |
| 2026-09-01 | Turtle Cameron | director, officer | Sale | 3,700 | $88.06 | $326K |
| 2026-09-01 | Turtle Cameron | director, officer | Sale | 400 | $89.07 | $36K |
| 2026-08-07 | Albers Jeffrey W. | director | Option exercise | 5,000 | $10.39 | $52K |
| 2026-08-07 | Albers Jeffrey W. | director | Sale | 5,000 | $104.47 | $522K |
| 2026-08-07 | Albers Jeffrey W. | director | Sale | 8,000 | $104.38 | $835K |
| 2026-08-07 | Albers Jeffrey W. | director | Sale | 10,000 | $104.68 | $1.05M |
| 2026-08-03 | Burrows Scott L | officer | Option exercise | 7,500 | $14.50 | $109K |
| 2026-08-03 | Burrows Scott L | officer | Sale | 5,100 | $95.21 | $486K |
| 2026-08-03 | Burrows Scott L | officer | Sale | 2,300 | $96.30 | $221K |
| 2026-08-03 | Burrows Scott L | officer | Sale | 100 | $97.10 | $10K |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-08-31 | 11,859,975 | 9.69 | +0.9% |
| 2026-08-14 | 11,755,434 | 15.95 | -3.2% |
| 2026-07-31 | 12,143,879 | 13.52 | -2.9% |
| 2026-07-15 | 12,508,710 | 9.03 | -8.3% |
| 2026-06-30 | 13,640,183 | 5.56 | +8.1% |
| 2026-06-15 | 12,616,535 | 10.83 | -0.1% |
| 2026-05-29 | 12,627,576 | 15.47 | +1.7% |
| 2026-05-15 | 12,417,051 | 10.44 | +1.6% |
| 2026-04-30 | 12,221,682 | 10.04 | +4.7% |
| 2026-04-15 | 11,672,747 | 7.35 | +11.8% |
| 2026-03-31 | 10,435,737 | 11.48 | +4.4% |
| 2026-03-13 | 9,997,086 | 13.99 | +0.1% |
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